Implement a ResourceThrottle for URL overriding in Chrome on Android.

content/public/browser/render_view_host_delegate.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_DELEGATE_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 309 matching lines @@
   virtual void RequestTransferURL(
       const GURL& url,
       const content::Referrer& referrer,
       WindowOpenDisposition disposition,
       int64 source_frame_id,
       const content::GlobalRequestID& old_request_id) {}
 
   // The page wants to close the active view in this tab.
   virtual void RouteCloseEvent(RenderViewHost* rvh) {}
 
+  // The page is asking whether to ignore the navigation.
+  virtual bool ShouldIgnoreNavigation(
+      RenderViewHost* rvh,
+      const GURL& url,
+      const content::Referrer& referrer,
+      bool is_content_initiated);

[joth, 2012/05/11 15:34:13]

I wonder if it would be preferable to have this under an ifdef.

[mkosiba (inactive), 2012/05/15 14:20:23]

As the change is now the new throttle is built (and available) on all platforms.
The only way in which Android is special is that the throttle is actually added
to top level requests.

+
   // A javascript message, confirmation or prompt should be shown.
   virtual void RunJavaScriptMessage(RenderViewHost* rvh,
                                     const string16& message,
                                     const string16& default_prompt,
                                     const GURL& frame_url,
                                     ui::JavascriptMessageType type,
                                     IPC::Message* reply_msg,
                                     bool* did_suppress_message) {}
 
   virtual void RunBeforeUnloadConfirm(RenderViewHost* rvh,
@@ skipping 92 matching lines @@
   // Notification that the view has lost the mouse lock.
   virtual void LostMouseLock() {}
 
  protected:
   virtual ~RenderViewHostDelegate() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_DELEGATE_H_